Test stick



FIG. 1 is a perspective view of a test stick showing the claimed design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another perspective view of a test stick in another configuration of use with an unclaimed cover.

The broken lines are directed to environment and are for illustrative purpose only; the broken lines form no part of the claimed design.

The dot-dash lines in the figures represent an unclaimed boundary line and form no part of the claimed design. 

CLAIM The ornamental design for a test stick, as shown and described. 